| Cities | Distance |
|---|---|
| Sierre to Nasaud | 799.51 mi (1,286.68 km) |
| Sierre to Navodari | 1,030.26 mi (1,658.05 km) |
| Sierre to Negresti-Oas | 754.06 mi (1,213.54 km) |
| Sierre to Nehoiu | 904.03 mi (1,454.90 km) |
| Sierre to Ocna Mures | 777.36 mi (1,251.04 km) |
| Sierre to Odobesti | 935.31 mi (1,505.24 km) |
| Sierre to Odorheiu Secuiesc | 846.29 mi (1,361.97 km) |
| Sierre to Oltenita | 940.27 mi (1,513.22 km) |
| Sierre to Onesti | 916.32 mi (1,474.67 km) |
| Sierre to Oradea | 683.06 mi (1,099.28 km) |
| Sierre to Orastie | 750.34 mi (1,207.56 km) |
| Sierre to Oravita | 687.86 mi (1,107.01 km) |
| Sierre to Orsova | 726.68 mi (1,169.49 km) |
| Sierre to Otelu Rosu | 713.44 mi (1,148.17 km) |
| Sierre to Otopeni | 904.87 mi (1,456.24 km) |